Please keep all posts relevant. I suggest doing this on multiple servers as there are no "Universal Chat Channels" that I have found. This post is directly for the Jedi Covenant Server (Empire Side), but feel free to post additional chat channels or other means of multi-world communication for all servers.
Custom Chat Channel
Designed to cross multiple planets.
To Join Universe(Empire)
/cjoin Universe
Also, as far as I know it is case-sensitive.